Home / 134,451.36-185,554.32-74,033.76

Finding the Fourth Proportional to 134,451.36, 185,554.32 and 74,033.76

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Solution

The fourth proportional to 134,451.36, 185,554.32 and 74,033.76 is: 102,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,451.36 : 185,554.32 = 74,033.76 : x
  2. Step 2: Convert to fraction form
    134,451.36/185,554.32 = 74,033.76/x
  3. Step 3: Cross multiply
    134,451.36x = 185,554.32 × 74,033.76
  4. Step 4: Simplify right side
    134,451.36x = 13,737,283,993.84
  5. Step 5: Solve for x
    x = 13,737,283,993.84/134,451.36
  6. Step 6: Final answer
    x = 102,172.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.